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Essay On Electric Motors

1500 Words6 Pages

Buyer's Guide Electric motors and drive systems Electric motors and drives are quite literally, the impetus, power or energy behind all automation systems used in industry, commerce and buildings. They are important components of industrial automation. Their selection, therefore, is an important step in the process of building an automated system. Buyers must know what types of motors and drives are available The most common electric motors include machine tools, special motors for industrial robots , blowers, fans, power tools, and pumps. In industry, motors and drives powering mechanical equipment account for about 65 percent of the total energy consumed. Reducing this figure is therefore of prime importance for developing energy savings …show more content…

Ideally these motors are mainly suited for the most industrial and commercial applications. Induction motors are regularly used for constant-speed and adjustable speed drive (ASD) applications. Mainly AC motors which are used in automated, industrial applications include general purpose and inverter/vector duty. Induction motors are in two variation: single phase and three phase. Smaller HP motors are single phase motors . These motors range in power between 1/3 horsepower to 100 horsepower. However, most induction motors used in industrial automation range between 1/2 horsepower and 10 horsepower. AC induction motors are ideal for most industrial and commercial …show more content…

Nearly all DC motors used for automation are the brush less DC motor type. Most DC motors run at a high RPM. Reduction in speed is achieved through gear arrangement (DC geared motors) Brushless DC motors can also be used with electronics sensitive to electrical and RF interference because they do not cause a significant amount of either. They can also be used safely in environments that feature volatile chemicals or fuels because they cannot create sparks. DC motors can be used in applications that require precise speed

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